Feature●Size:Re Thread Tap Length: 71mm / 2.80"; Thread Length: 9.5mm / 0.37", 11mm / 0.43", 12.7mm / 0.5", 20mm / 0.79"●Function:The thread repair tool kit is a tool fit for 14mm spark plugs.Effectively cleans threads, keeps threads clean, repairs worn 14mm spark plug hole threads, easily cuts and creates threads.●Material:Made of durable material, wear resistance and durability, not easy to damage, small size, easy to carry and have a long service time.●Easy to use:Before use, drill out the damaged thread, place the new thread on the new spark plug, and tighten it.●Package Includes:1 x Re Thread Tap, 4 x Spark Plug InsertsDescription